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https://issues.apache.org/jira/browse/HDFS-7826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14349815#comment-14349815
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Jing Zhao commented on HDFS-7826:
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{{ceil ((getNumBytes() / (dataBlockNum * 64KB))}} returns the number of
stripes, since 64KB is chunk size and {{getNumBytes}} returns the size of all
the data. Then for each striped we have {{64KB * parityBlockNum}} size of
parity data.
> Erasure Coding: Update INodeFile quota computation for striped blocks
> ---------------------------------------------------------------------
>
> Key: HDFS-7826
> URL: https://issues.apache.org/jira/browse/HDFS-7826
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jing Zhao
> Assignee: Kai Sasaki
> Attachments: HDFS-7826.1.patch, HDFS-7826.2.patch
>
>
> Currently INodeFile's quota computation only considers contiguous blocks
> (i.e., {{INodeFile#blocks}}). We need to update it to support striped blocks.
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